<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<style>a::after { content: attr(href); }</style>
</head>
<p><a href="">(empty)</a></p>
<p><a href="#"></a></p>
<p><a href="#123"></a></p>
<p><a href="?"></a></p>
<p><a href="?id=123"></a></p>
<p><a href="?id=123#456"></a></p>

<p><a href="basic.html"></a></p>
<p><a href="basic.html#"></a></p>
<p><a href="basic.html#123"></a></p>
<p><a href="basic.html?"></a></p>
<p><a href="basic.html?id=123"></a></p>
<p><a href="basic.html?id=123#456"></a></p>

<p><a href="linked.html"></a></p>
<p><a href="linked.html#"></a></p>
<p><a href="linked.html#123"></a></p>
<p><a href="linked.html?"></a></p>
<p><a href="linked.html?id=123"></a></p>
<p><a href="linked.html?id=123#456"></a></p>

<p><a href="subdir/linked.html"></a></p>
<p><a href="subdir/linked.html#"></a></p>
<p><a href="subdir/linked.html#123"></a></p>
<p><a href="subdir/linked.html?"></a></p>
<p><a href="subdir/linked.html?id=123"></a></p>
<p><a href="subdir/linked.html?id=123#456"></a></p>

<p><a href="http://example.com"></a></p>
<p><a href="http://example.com#"></a></p>
<p><a href="http://example.com#123"></a></p>
<p><a href="http://example.com?"></a></p>
<p><a href="http://example.com?id=123"></a></p>
<p><a href="http://example.com?id=123#456"></a></p>

<p><a href="about:blank"></a></p>
<p><a href="about:blank#"></a></p>
<p><a href="about:blank#123"></a></p>
<p><a href="about:blank?"></a></p>
<p><a href="about:blank?id=123"></a></p>
<p><a href="about:blank?id=123#456"></a></p>

<p><a href="urn:scrapbook:download:error:http://example.com"></a></p>
<p><a href="urn:scrapbook:download:error:http://example.com#"></a></p>
<p><a href="urn:scrapbook:download:error:http://example.com#123"></a></p>
<p><a href="urn:scrapbook:download:error:http://example.com?"></a></p>
<p><a href="urn:scrapbook:download:error:http://example.com?id=123"></a></p>
<p><a href="urn:scrapbook:download:error:http://example.com?id=123#456"></a></p>

<p><a href="mailto:noresponse@example.com"></a></p>

<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
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<p>&nbsp;</p>
<p>&nbsp;</p>
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<p>&nbsp;</p>
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<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p id="123">123 target</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
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</body>
</html>
